Circle Angles and Lengths

Solve for x.

• 37.5

• 11

• 118

• 15

Tags

CCSS.HSG.C.A.2

Which number best represents a central angle?

• 1

• 2

• 7

• 9

Find the value of x.

• 9

• 16

• 7.5

• 7.75

Tags

CCSS.HSG.C.A.2

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Find the value of x.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Think about if the angles are equal or if they add up to 180. Solve for x. Plug it in.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.B.5

When she is outdoors, Fefe, a 2yr old German Shepard, is tied to a stake on a 24ft leash in the center of the yard. The angle between her dog house and her favorite hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40

• 35

• 55

• 69

Tags

CCSS.HSG.C.B.5

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

Tags

CCSS.HSG.C.B.5

What is the measure of angle A?

• 34°

• 180°

• 112°

• 79°

Tags

CCSS.HSG.C.A.2